JSTOR Global Plants Home
  • Home
  • Browse
  • About
  • Access
  • Account
    • Saved Items
    • Profile
  • Log in

Global Plants

Skip to Main Content
  • JSTOR Global Plants Home
  • Global Plants

    • Browse
    • About
    • Access
    • Account
      • Saved Items
      • Profile
Log in
  • Browse
  • About
  • Access
  • Account
    • Saved Items
    • Profile
Advanced Search

Compilation
Disa praestans

2 Images see all

Holotype of Disa praestans Kränzl. [family ORCHIDACEAE]
Holotype of Disa praestans Kraenzl. [family ORCHIDACEAE]
Previous
Next

Name

Identification
Disa robusta N.E. Br. [family ORCHIDACEAE ] (stored under name); Verified by HBG-formal name change, 2006 Disa praestans Kränzl. [family ORCHIDACEAE ] Verified by E.A. Christenson, 1993 Disa praestans Kränzl. [family ORCHIDACEAE ] Verified by Not on sheet,
Related name
  • Disa praestans
  • Disa cooperi
  • Disa robusta

Flora

Entry for Disa robusta N.E. Br. [family ORCHIDACEAE]
Herbarium
Royal Botanic Gardens, Kew (K)
Collection
Flora Zambesiaca
Resource Type
Reference Sources
Entry From
FZ, Vol 11, Part 1, (1995) Author: I. la Croix and P.J. Cribb
Names
Disa robusta N.E. Br. [family ORCHIDACEAE], in F.T.A. 7: 282 (1898). —Kraenzlin, Orchid. Gen. Sp. 1: 779 (1900). —Schlechter in Bot. Jahrb. Syst. 53: 538 (1915). —Summerhayes in Kew Bull. 17: 547 (1964); in F.T.E.A., Orchidaceae: 168 (1968). —Williamson, Orch. S. Centr. Africa: 84 (1977). —Linder in Contrib. Bolus Herb., No. 9: 136 (1981). —Geerinck in Fl. Afr. Centr., Orchidaceae pt. 1: 204 (1984). —la Croix et al., Orch. Malawi: 123 (1991). Syntypes: Malawi, Blantyre, Wilandi (?=Ndirandi), 6.vii.1879, Buchanan 23; Mt. Zomba, Whyte s.n., Mt. Malosa, Whyte s.n. (K).
Disa praestans Kraenzl. [family ORCHIDACEAE], in Bot. Jahrb. Syst. 33: 59 (1902). Type from Tanzania.
Disa coccinea Kraenzl. [family ORCHIDACEAE], in Bot. Jahrb. Syst. 33: 59 (1902). Type from Tanzania.
Information
Terrestrial herb with separate fertile and sterile shoots; perennating by testicular tubers.Sterile shoots to 10 cm tall, 2–4-leaved; leaves semi-erect, conduplicate, up to 30 cm long, lanceolate to narrowly elliptic, acute.Fertile shoots 60–80 cm tall; cauline leaves imbricate, almost completely sheathing, grading into the floral bracts, 6–9 cm long, obtuse to acute.Inflorescence sub-dense, 7–15(30) cm long, 10–20(40)-flowered.Floral bracts ovate to narrowly ovate, acute to acuminate, reaching to the middle of the flowers.Flowers facing down at an angle of 45°, orange-red.Dorsal sepal galeate; galea rounded, 10–16 mm long, 9–12 mm wide and 7–8 mm deep, broadly ovate.Spur horizontal from a broadly conical base, 25–35 mm long, constricted in the middle, the apex sub-clavate, usually upcurved, ascending due to the angle of the flowers.Lateral sepals 12–18 mm long, broadly ovate to broadly oblong, subacute.Petals 11–18 mm long, oblanceolate, acute, erect, falcate.Lip 7–12 mm long, narrowly oblong, acute.Rostellum lateral lobe parallel, 2–3 mm tall.Anther 4–5 mm long.Stigma stipitate.Ovary 2–3 cm long.
Habitat
Locally common in montane grassland
Altitude range
(1000)2000–3200 m.
3200
2000
Distribution
Zambia E Nyika Plateau, road to Rest House, fl. 2.i.1959, Richards 10397 (K; SRGH).Malawi N Viphya, Chikangawa, fl. 31.i.1956, Chapman 362 (K).Malawi C Dedza Mt., fl. 3.iii.1974, Westwood 679 (K).Malawi S Zomba Plateau, Mulungusi Dam, fl. xii.1976, Welsh 77 (K).
Distribution (external)
Tanzania
Zaire
Notes
Readily distinguished by the ascending spur.

Related Materials

  • Terms and Conditions
  • Privacy Policy
  • Cookie Policy
  • Cookie Settings
  • Accessibility
  • Help
  • Contact Us
  • Facebook
  • Twitter
ITHAKA

JSTOR is part of ITHAKA, a not-for-profit organization helping the academic community use digital technologies to preserve the scholarly record and to advance research and teaching in sustainable ways.

©2000-2026 ITHAKA. All Rights Reserved. JSTOR®, the JSTOR logo, JPASS®, Aluka®, and ITHAKA® are registered trademarks of ITHAKA.

╳